@article{GDZPPN002192667,
title = {The eleventh power character of 2.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {281},
year = {1976},
pages = {213-222},
zbl = {0332.10003},
url = {http://dml.mathdoc.fr/item/GDZPPN002192667}
}
Leonard, P.A.; Mortimer, B.C. The eleventh power character of 2.. Journal für die reine und angewandte Mathematik, Tome 281 (1976) pp. 213-222. http://gdmltest.u-ga.fr/item/GDZPPN002192667/